Gyraf Audio Gyratec XIV: Parallel-Passive Stereo Tube Equalizer... The G14 is a true tube, all passive, stereo equalizer. It consist of five bands - each with 11 switchable frequencies, variable "Q", and boost/cut selection. It also has an output level trim, and a "hard" relay bypass control.
The two channels are linked - controlled with one set of knobs. The "Q"s (filter sharpnes'es) are rather?